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RUSLE2 Calculator for Construction Sites

RUSLE2 (Revised Universal Soil Loss Equation) is the standard method for estimating soil erosion on construction sites and is required for SWPPP compliance under the California Construction General Permit. It combines five factors -- rainfall erosivity (R), soil erodibility (K), slope length and steepness (LS), cover-management (C), and erosion control practices (P) -- to produce an average annual soil loss estimate in tons per acre per year.

For Qualified SWPPP Developers (QSDs) and environmental consultants, gathering the right factor values manually is tedious and error-prone. R factors must be interpolated from climate maps, K factors require reading SSURGO soil surveys, and LS factors demand slope calculations from topographic data -- all before a single compliance number is produced. Rapid RUSLE automates every step.

Automate Every RUSLE2 Factor

Instead of manually looking up tables and interpolating maps, enter your project address or upload a KMZ boundary. Rapid RUSLE fetches and computes every input automatically, then generates your compliance outputs in seconds.

  • Automatic R factor from NOAA climate data based on your project dates
  • K factor pulled from SSURGO soil surveys for your exact site location
  • LS factor computed from USGS elevation data for your disturbance polygon
  • CGP sediment risk classification (Low, Medium, High) generated instantly
  • Receiving water risk cross-referenced with impaired water body datasets
  • PDF export formatted for SWPPP appendices and regulatory review
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RUSLE2 Calculator -- Common Questions

Everything QSDs and environmental consultants need to know about RUSLE2 erosion calculations and SWPPP compliance.

Ready to automate your RUSLE2 calculations?

Join QSDs and environmental consultants who use Rapid RUSLE to produce SWPPP-ready erosion calculations in minutes instead of hours.

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